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- distribution of carbon numbers 碳数分布
- Additionally, it can be used for determining carbon number distribution of wax, paraffin in petrochemical products, and varions hydrocarbons. 利用仪器的系统配置还可以开发出其它适用于石化领域的分析方法,提高了仪器的利用率。
- The effectiveness of pour depressing depends on the constituent of crude oil,such as wax,distribution of wax carbon number,resin and asphaltene. 原油中蜡的含量、蜡的碳数分布以及原油中的胶质、沥青质均会影响降凝剂的效果,此外降凝效果还取决于降凝剂的分子结构。
- The composition and distribution of the carbon number of n-alkane can reflect the source of organic matters,sedimentary environment and maturity of organic matter. 正构烷烃的组成和碳数分布能反映有机质来源、沉积环境性质和热演化程度。
- The distribution of carbon among atmosphere, organisms, land, and oceans has changed over time. 碳在大气、有机体、陆地和海洋之间的分布会随着时间的推移而发生变化。
- The effectiveness and efficiency of AEEC in decreasing surface tension was increased with the increase of carbon number. 随着疏水基碳链的增加 ,AEEC的 CMC降低。 并且在所测定的温度范围内 ,log CMC与疏水基碳链长度成线性关系。
- The storage and distribution of carbon in urban vegetation and its roles in balance of carbon and oxygen in Guangzhou. 广州城市绿地系统碳的贮存、分布及其在碳氧平衡中的作用。
- Furthermore, with the increase of carbon number in the side chain,the selectivity of side chain cracking increases, thus, the formation of benzene is reduced. 随着烷基苯取代基碳原子数的增多,烷基芳烃的侧链裂化反应选择性增加,可利用此反应特性控制反应路径,达到降低汽油苯含量的目的。
- Alkeane Carbon Number Distribution of Paraffins; 石蜡碳数分布;
- The distribution of the magazine is 2000. 该杂志的销售量为2000份。
- Its numerical solution in operating conditions of CFBC reflects the nature of a phenomenon where there is a peak value in distribution of carbon content within char particles versus their diameters. 结果表明,焦炭的粒径越小,其表面温度越接近于床内温度,而且焦炭粒子的燃烬时间随粒径变化的曲线将出现峰值。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- With thermosetting PF resin particle size increasing,the pore size distribution of carbon membrane became broadly,the average pore diameter and gas permeation rates of carbon membrane increased. 对几种常见的粘结剂进行了筛选,当以甲基纤维素为粘结剂时,随着甲基纤维素用量的增加,微滤炭膜的孔径分布变窄,平均孔径及气体透量减小。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的,如苯
- The numerical simulation showed that the hearth temperature was uniform, the combustion of carbon monoxide was adequate and the density distribution of carbon dioxide was even in the furnace. 利用数值仿真软件进行了模拟计算,结果表明,炉膛内温度均匀性较好,一氧化碳的燃烧完全,二氧化碳的浓度在炉内分布均匀。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素,尤指碳14。
- It was discovered that there is a austenitic layer with higher carbon around proeutectoid ferrite and that the distribution of carbon in the austenitic layer is not all continuous and homogene... 发现先共析铁素体周围存在有富碳奥氏体薄层,且此富碳奥氏体薄层中的碳分布并非都是连续的;此一富碳奥氏体薄层的特征与随后转变所形成的珠光体及马氏体形态相关。
- They could not agree about the distribution of the profits. 他们对于利润的分配意见不一致。
- The distribution of carbon and oxygen isotopes in sequences are controlled by many factors,such as coal accumulation,terrigenous supply,;paleoclimate,depositional environment and geologic time. 碳氧同位素在层序中的分布是受聚煤作用、陆源物质的注入、古气候、沉积环境及时间等控制的。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。